features & quality material. 547g super strong lift under 4S power supply, amazing power for such a small size! Features Full fuselage high precision CNC processing, aviation aluminum 7075 aluminum, high precision, high strength The maximum thrust of 3500kv was 547g, using the GEPRC 3042 propeller N52H magnetic material is adopted to ensure the torsion & high temperature The body is treated with precise dynamic balance to ensure the vibration & low noise of the motor at high speed The gap of the bending magnet is 0.15mm & the power output is stronger Excellent heat dissipation structure design, with the same motor temperature drop 20% Resistance to high temperature of 180 ? silicone rubber clues, stable & reliable